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better region check

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This commit is contained in:
Logan McNaughton
2025-03-17 10:06:26 +01:00
parent f2966230f9
commit 5d692318fe
1 changed files with 8 additions and 3 deletions
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parallel-rdp/interface.cpp
+8 -3
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@@ -61,7 +61,7 @@ static int cmd_cur;
static int cmd_ptr;
static CALL_BACK callback;
static GFX_INFO gfx_info;
static int32_t region;
static uint32_t region;
static bool crop_letterbox;
static const uint32_t *fragment_spirv;
static size_t fragment_size;
@@ -592,9 +592,14 @@ uint64_t rdp_process_commands()
uint32_t upper_left_y = (w1 & 0xFFF) >> 2;
uint32_t lower_right_x = ((w2 >> 12) & 0xFFF) >> 2;
uint32_t lower_right_y = (w2 & 0xFFF) >> 2;
region = (lower_right_x - upper_left_x) * (lower_right_y - upper_left_y);
if (region < 0)
if (lower_right_x > upper_left_x && lower_right_y > upper_left_y)
{
region = (lower_right_x - upper_left_x) * (lower_right_y - upper_left_y);
}
else
{
region = 0;
}
frame_buffer_info.framebuffer_height = lower_right_y;
calculate_buffer_size();